Application - to avoid wasting otostick baby correctors, in the case of active and restless babies and children, it is advisable to place them while they sleep. Otherwise, a bad movement could make the otostick no longer adhesive Durable - each corrector has an estimated duration between 3 and 7 days, but it must be taken into account that, like any corrective product, in certain cases it may have a short adaptation period, caused by the lack of practice when placing otostick, total knowledge of all placement steps and the characteristics of each ear. Each package contains 8 correctors + a protective baby cap. Recommended use from 3 months of age